This texture was generated in Filter Forge, a Photoshop plugin that allows you to create your own filters.
This filter generates something resembling a confocal image of HeLa cells. The colour of nuclei, cytosol, and membranes can be set. There are also parameters for the distribution of the cells.
cells eukaryotic prokaryotic nuclei nucleus eukaryote prokaryote henrietta lacks cancer tumour slide microscope confocal fluorescent vikram mulligan